HJR 68 -- Real Property Tax Revenue Limit Sponsor: Bivins Upon voter approval, this proposed constitutional amendment changes the rollback requirement for the Hancock Amendment by requiring the current levy, not the maximum authorized levy, to be reduced to yield the same gross revenue for existing property as before an increase in assessed valuations, with an adjustment for changes in the general price level from the previous year or 2.5%, whichever is lower.Copyright (c) Missouri House of Representatives